Background: The duration of protection after hepatitis B vaccination of infants is unknown. Methods: We determined antibody to hepatitis B surface antigen (anti-HBs) at 4-13 years of age in 363 ...

Why It Matters:The study findings suggest that a single booster dose is sufficient to confirm hepatitis B immunity in most young, healthy health care workers who previously completed a full ...

Anti-HBs is a neutralizing antibody and its presence suggests the recovery from hepatitis B and confers a long-term protective immunity against HBV infection. In addition, it is the only ...